Comprehensionhard · Past Paper

Passage: The 'lungs of the world' is a common metaphor for forests. Q70. Why is this metaphor appropriate?

AForests look like lungs
BForests produce oxygen and absorb carbon dioxide
CForests are where animals breathe
DForests are very loud

✓ Correct Answer: BForests produce oxygen and absorb carbon dioxide

Forests exchange gases (O2 and CO2) similar to how lungs function in the human body.

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